Tuolumne County Library By Sabrina Biehl Published Aug 21, 2015 04:22 pm Loading Map.... Tuolumne County Library480 Greenley Rd. - Sonora Events 37.9825844 -120.36905109999998 Address 480 Greenley Rd. Sonora , CA 95370 United States Upcoming Events Mother Lode Art Association General Meeting and Demonstration - 05/16/2022 - 1:00 pm - 3:30 pm